CN115255938B

CN115255938B - Drilling and tapping combined machine tool for machining large flange

Info

Publication number: CN115255938B
Application number: CN202211189449.8A
Authority: CN
Inventors: 龚创宁; 王�琦
Original assignee: Guangdong Chuangneng Precision Machinery Co ltd
Current assignee: Guangdong Chuangneng Precision Machinery Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-01-10
Anticipated expiration: 2042-09-28
Also published as: CN115255938A

Abstract

The invention belongs to the field of flange machining, and particularly relates to a drilling and tapping combined machine tool for machining a large flange. The technical problem is as follows: the drilling and tapping combined machine tool for machining the large flange can efficiently fix and position the large flange, is suitable for flanges with different inner diameters, and is convenient to replace. The invention comprises a supporting base and the like; support the base lower part and be connected with the sliding seat through electronic slide rail slidingtype, sliding seat top symmetry rotary type is equipped with the ring flange that is used for placing large-scale flange, supports base upper portion and also has the carriage through electronic slide rail slidingtype connection, and the carriage middle part is equipped with gliding part from top to bottom, and open the carriage bottom has the processing hole, and the processing hole is aimed at large-scale flange. The invention indirectly controls the three auxiliary screw rods on the same side by controlling the four bevel gears on the same side through the main screw rod, so that the four positioning blocks synchronously slide until contacting and fixing the corresponding large-scale flange, and thus, the positioning is realized.

Description

Drilling and tapping combined machine tool for machining large flange

Technical Field

The invention belongs to the field of flange machining, and particularly relates to a drilling and tapping combined machine tool for machining a large flange.

Background

The flange is also called a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment for the connection between two pieces of equipment, such as reducer flanges. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures.

The prior art has possessed comparatively ripe flange drilling and tapping technology, and the hole of different bores can be bored for the flange of different sizes to many large-scale lathe to the drilling speed and the drilling efficiency of large-scale lathe constantly promote in the market when competing. Even so, prior art all is manual positioning basically when fixing different flanges, hardly adapts to different internal diameters to because the flange is large-scale flange, go up the inconvenient inefficiency that leads to of unloading, can not be to a plurality of large-scale flange continuous processing.

Disclosure of Invention

In order to overcome prior art fixed and the location effect of flange not good enough, the flange of different internal diameters of unable adaptation, and because the flange diameter is great, it is also very inconvenient to change, has greatly influenced machining efficiency's shortcoming, technical problem: the drilling and tapping combined machine tool for machining the large flange can efficiently fix and position the large flange, is suitable for flanges with different inner diameters and is convenient to replace.

The technical scheme is as follows: the utility model provides a large-scale flange processing is with drilling and tapping combined machine tool, including supporting the base, supports the base lower part and has the sliding seat through electronic slide rail sliding type connection, and sliding seat top symmetry rotary type is equipped with the ring flange that is used for placing large-scale flange, supports base upper portion and also has the carriage through electronic slide rail sliding type connection, and the carriage middle part is equipped with gliding part from top to bottom, and open the carriage bottom has the process hole, and the process hole is aimed at large-scale flange is equipped with locating component on the ring flange, and locating component is used for correcting the position of large-scale flange on the ring flange is equipped with the processing subassembly on the carriage, supports and is equipped with fixed subassembly on the base.

Preferably, the positioning assembly comprises fixing rings, screws, positioning blocks and bevel gears, positioning chutes are symmetrically formed in the periphery of the flange plate, the bottoms of the two ends of each positioning chute are respectively connected with the fixing rings, the two fixing rings close to the same positioning chute are connected with the screws in a rotating mode, the screws comprise main screws and auxiliary screws, the main screws are arranged below one side, back to back, of the two flange plates, the other screws are auxiliary screws, the positioning blocks are connected with the screw rods in a threaded mode, the positioning blocks are respectively connected with the adjacent positioning chutes in a sliding mode, the bevel gears are respectively connected with the opposite ends of the four screws below the same flange plate, and the adjacent four bevel gears are meshed with each other in a circumferential direction.

Preferably, the machining assembly comprises a rotating frame, a servo motor, a tapping head and a drill bit, the rotating frame is connected in a partially rotating mode, the middle of the sliding frame can slide up and down, the servo motor is connected to the rotating frame, the tapping head and the drill bit are symmetrically installed on one side, far away from the servo motor, of the rotating frame, the axial direction of the tapping head and the axial direction of the drill bit are perpendicular to the axial direction of the rotating frame and correspond to the machining hole, and the servo motor provides power for the tapping head and the drill bit through a gear set.

Preferably, the fixing assembly comprises a fixing frame, an extension spring and a stop lever, the fixing frame is symmetrically and slidably connected to the upper portion of the supporting base, the extension spring is connected between the fixing frame and the supporting base, the part capable of sliding up and down in the middle of the sliding frame is close to the stop lever symmetrically connected to one side of the fixing frame, the stop lever is in contact fit with the fixing frame, and the extension spring resets to drive the fixing frame to move downwards.

Preferably, the gear ring, the transmission gear and the speed reducing motor are further included, the top of the flange plate is connected with the gear ring, the bottom in the sliding seat is connected with the two speed reducing motors, the output shafts of the speed reducing motors penetrate through the sliding seat and are connected with the transmission gear, and the transmission gear is meshed with the adjacent gear ring.

Preferably, the device further comprises a limiting frame and a limiting block, wherein one side, far away from the machining hole, of the lower portion of the sliding frame is connected with the limiting frame, one end, close to the limiting frame, of the rotating frame is connected with the limiting block, and the limiting block is in sliding fit with the limiting frame.

Preferably, the gear rack and the one-way gear are further included, the gear rack is connected to one side of the limiting frame, the one side of the rotating frame, close to the limiting block, is connected with the one-way gear, and the gear rack is meshed with the one-way gear.

Preferably, the electric slide rail, the servo motor and the speed reducing motor are all controlled by an external computer, and the working process is all controlled by a program of the computer.

The invention has the beneficial effects that: 1. the four bevel gears on the same side are controlled by the main screw to indirectly control the three auxiliary screws on the same side, so that the four positioning blocks synchronously slide until the four positioning blocks contact and fix the corresponding large-sized flange, and thus positioning is realized.

2. The electric slide rail between the supporting base and the sliding seat can enable another large flange to be quickly positioned to start processing after one large flange is processed, the processed flange can be taken down during processing, and then a third large flange is continuously placed on the flange plate to prepare for next processing, so that the purpose of efficiently and uninterruptedly replacing and processing a plurality of flanges is achieved.

3. When the processing assembly descends and processes, the extension spring resets to drive the fixing frame to move downwards, so that the large flange can be fixed.

4. The limiting block can limit the machining assembly after sliding into the limiting frame, and deflection of the machining assembly during machining is prevented.

5. Through the cooperation of rack and one-way gear, can make the processing subassembly rise the in-process and carry out the quick exchange of tapping head and drill bit, high efficiency carries out continuous drilling and tapping to a hole.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the support base, the sliding seat, the flange and the sliding frame according to the present invention.

Fig. 3 is a schematic perspective view of a first perspective view of the positioning assembly of the present invention.

Fig. 4 is a schematic perspective view of a second perspective view of the positioning assembly of the present invention.

Fig. 5 is a third perspective view of the positioning assembly of the present invention.

Fig. 6 is a perspective view of the processing assembly of the present invention.

Fig. 7 is a schematic perspective view of the turret of the present invention.

Fig. 8 is a perspective view of the fixing member of the present invention.

Fig. 9 is a schematic perspective view of the fastening frame of the present invention.

Fig. 10 is a perspective view of the gear ring and the transmission gear of the present invention.

Fig. 11 is a schematic perspective view of the gear motor and another flange plate according to the present invention.

Fig. 12 is a schematic perspective view of the limiting frame, the limiting block, the rack and the one-way gear of the invention.

Number designation in the figures: 1: support base, 2: sliding seat, 20: flange plate, 3: sliding frame, 30: machining a hole, 4: positioning assembly, 41: fixing ring, 42: main screw, 421: auxiliary screw, 43: positioning block, 44: bevel gear, 45: location spout, 5: machining assembly, 51: rotating frame, 52: servo motor, 53: tapping head, 54: a drill bit, 6: fixing assembly, 61: mount, 62: tension spring, 63: pin, 7: ring gear, 70: transmission gear, 71: gear motor, 8: spacing, 80: stopper, 9: rack, 90: a one-way gear.

Detailed Description

The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.

Example 1

A drilling and tapping combined machine tool for machining a large flange is shown in figures 1-9 and comprises a supporting base 1, wherein the lower portion of the supporting base 1 is connected with a sliding seat 2 in a sliding mode through an electric sliding rail, a flange plate 20 used for placing a large flange 01 is arranged on the top of the sliding seat 2 in a symmetrical and rotating mode, the upper portion of the supporting base 1 is also connected with a sliding frame 3 in a sliding mode through the electric sliding rail, the middle of the sliding frame 3 is provided with a part capable of sliding up and down, a machining hole 30 is formed in the bottom of the sliding frame 3, the machining hole 30 is aligned with the large flange 01, a positioning assembly 4 is arranged on the flange plate 20, the positioning assembly 4 is used for correcting the position of the large flange 01 on the flange plate 20, a machining assembly 5 is arranged on the sliding frame 3, and a fixing assembly 6 is arranged on the supporting base 1.

As shown in fig. 3 to 5, the positioning assembly 4 includes fixing rings 41, screws, positioning blocks 43 and bevel gears 44, positioning chutes 45 are symmetrically formed around the flange 20, the fixing rings 41 are welded to the bottoms of both ends of each positioning chute 45, screws are rotatably connected between two fixing rings 41 close to the same positioning chute 45, the screws include main screws 42 and auxiliary screws 421, the main screws 42 are disposed below the opposite sides of the two flanges 20, the other screws are auxiliary screws 421, each screw is threadedly connected with one positioning block 43, the positioning blocks 43 are slidably connected with the adjacent positioning chutes 45, opposite ends of four screws below the same flange 20 are fixedly connected with the bevel gears 44, and the adjacent four bevel gears 44 are meshed with each other two by two in the circumferential direction.

As shown in fig. 6-7, the machining assembly 5 includes a rotating frame 51, a servo motor 52, a tapping head 53 and a drill 54, the rotating frame 51 is rotatably connected to a portion of the sliding frame 3 capable of sliding up and down, the servo motor 52 is connected to the rotating frame 51 through a bolt, the tapping head 53 and the drill 54 are symmetrically installed on a side of the rotating frame 51 away from the servo motor 52, axial directions of the tapping head 53 and the drill 54 are perpendicular to an axial direction of the rotating frame 51 and correspond to the machining hole 30, and the servo motor 52 provides power for the tapping head 53 and the drill 54 through a gear set.

As shown in fig. 8-9, the fixing assembly 6 includes a fixing frame 61, an extension spring 62 and a stop lever 63, the upper portion of the supporting base 1 is symmetrically slidably connected to the fixing frame 61, the extension spring 62 is connected between the fixing frame 61 and the supporting base 1, the middle portion of the sliding frame 3 capable of sliding up and down is symmetrically welded to the stop lever 63 at a side close to the fixing frame 61, the stop lever 63 is in contact fit with the fixing frame 61, and the extension spring 62 resets to drive the fixing frame 61 to move downward.

As shown in fig. 10-11, the device further comprises a toothed ring 7, transmission gears 70 and reduction motors 71, wherein the top of the flange 20 is fixedly connected with the toothed ring 7, the bottom inside the sliding seat 2 is connected with the two reduction motors 71, the output shafts of the reduction motors 71 penetrate through the sliding seat 2 and are connected with one transmission gear 70, and the transmission gears 70 are all meshed with the adjacent toothed ring 7.

As shown in fig. 12, the device further comprises a limiting frame 8 and a limiting block 80, wherein one side of the lower portion of the sliding frame 3, which is far away from the machining hole 30, is connected with the limiting frame 8, one end of the rotating frame 51, which is close to the limiting frame 8, is connected with the limiting block 80, and the limiting block 80 is in sliding fit with the limiting frame 8.

The limiting device is characterized by further comprising a rack 9 and a one-way gear 90, wherein one side of the limiting frame 8 is connected with the rack 9, one side of the rotating frame 51 close to the limiting block 80 is connected with the one-way gear 90, and the rack 9 is meshed with the one-way gear 90.

The large flange 01 to be processed is placed on the flange plate 20 before the device works, and the initial relative positions of the positioning blocks 43 are all at the position closest to the circle center of the large flange 01, so that the four bevel gears 44 on the same side are controlled by the main screw 42 to indirectly control the three auxiliary screws 421 on the same side, the four positioning blocks 43 synchronously slide outwards to gradually approach the inner periphery of the large flange 01 until the positioning blocks are completely contacted and fixed, and the positioning is realized.

This device during operation moves ring flange 20 to assigned position through the electronic slide rail of computer program control, processing subassembly 5 moves down in-process one-way gear 90 and rotates and can not influence rotating turret 51, back rack 9 and one-way gear 90 break away from in stopper 80 slides to spacing 8, spacing 8 can make processing subassembly 5 more stable in the course of the work through stopper 80, processing subassembly 5 moves up after the drilling is accomplished, rack 9 and one-way gear 90 mesh back again and then make rotating turret 51 rotate 180 degrees and make tapping head 53 down, then carry out the tapping downwards again, can control large-scale flange 01 rotatory through gear motor 71 in the in-process of drilling and tapping, and support the electronic slide rail control drilling between base 1 and the carriage 3 and the position of tapping.

The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.

Claims

1. The drilling and tapping combined machine tool for machining the large flange is characterized by comprising a supporting base (1), wherein the lower part of the supporting base (1) is connected with a sliding seat (2) in a sliding manner through an electric sliding rail, the top of the sliding seat (2) is symmetrically and rotatably provided with a flange (20) for placing the large flange, the upper part of the supporting base (1) is also connected with a sliding frame (3) in a sliding manner through the electric sliding rail, the middle part of the sliding frame (3) is provided with a part capable of sliding up and down, the bottom of the sliding frame (3) is provided with a machining hole (30), the machining hole (30) is aligned with the large flange, the flange (20) is provided with a positioning assembly (4), the positioning assembly (4) is used for correcting the position of the large flange on the flange (20), the sliding frame (3) is provided with a machining assembly (5), and the supporting base (1) is provided with a fixing assembly (6);

the machining assembly (5) comprises a rotating frame (51), a servo motor (52), a tapping head (53) and a drill bit (54), the rotating frame (51) is connected with the middle of the sliding frame (3) in a vertically sliding partial rotating mode, the servo motor (52) is connected to the rotating frame (51), the tapping head (53) and the drill bit (54) are symmetrically installed on one side, away from the servo motor (52), of the rotating frame (51), the axial directions of the tapping head (53) and the drill bit (54) are perpendicular to the axial direction of the rotating frame (51) and correspond to the machining hole (30), and the servo motor (52) provides power for the tapping head (53) and the drill bit (54) through a gear set;

the lower part of the sliding frame (3) is far away from one side of the processing hole (30) and is connected with the limiting frame (8), one end, close to the limiting frame (8), of the rotating frame (51) is connected with the limiting block (80), and the limiting block (80) is in sliding fit with the limiting frame (8);

the gear rack mechanism is characterized by further comprising a rack (9) and a one-way gear (90), one side of the limiting frame (8) is connected with the rack (9), one side of the rotating frame (51) close to the limiting block (80) is connected with the one-way gear (90), and the rack (9) is meshed with the one-way gear (90).

2. The drilling and tapping combined machine tool for machining the large flange according to claim 1, wherein the positioning assembly (4) comprises fixing rings (41), screws, positioning blocks (43) and bevel gears (44), positioning sliding grooves (45) are symmetrically formed in the periphery of the flange plate (20), the fixing rings (41) are connected to the bottoms of two ends of each positioning sliding groove (45), the screws are rotatably connected between the two fixing rings (41) close to the same positioning sliding groove (45), each screw comprises a main screw (42) and an auxiliary screw (421), the main screw (42) is arranged below one opposite side of the two flange plates (20), the other screws are auxiliary screws (421), each screw is in threaded connection with one positioning block (43), each positioning block (43) is in sliding connection with the corresponding positioning sliding groove (45), the bevel gears (44) are connected to opposite ends of four screws below the same flange plate (20), and the four adjacent bevel gears (44) are meshed in pairs in the circumferential direction.

3. The drilling and tapping combined machine tool for machining the large flange according to claim 1, wherein the fixing assembly (6) comprises a fixing frame (61), an extension spring (62) and a stop lever (63), the fixing frame (61) is symmetrically and slidably connected to the upper portion of the supporting base (1), the extension spring (62) is connected between the fixing frame (61) and the supporting base (1), the stop lever (63) is symmetrically connected to one side, close to the fixing frame (61), of the portion, capable of sliding up and down, of the middle of the sliding frame (3), the stop lever (63) is in contact fit with the fixing frame (61), and the extension spring (62) resets to drive the fixing frame (61) to move downwards.

4. The drilling and tapping combined machine tool for machining the large flange according to claim 1, further comprising a toothed ring (7), a transmission gear (70) and two speed reducing motors (71), wherein the top of the flange plate (20) is connected with the toothed ring (7), the bottom in the sliding seat (2) is connected with the two speed reducing motors (71), output shafts of the speed reducing motors (71) penetrate through the sliding seat (2) and are connected with the transmission gear (70), and the transmission gear (70) is meshed with the adjacent toothed ring (7).

5. The combined drilling and tapping machine tool for machining the large flange according to claim 4, wherein the electric slide rail, the servo motor (52) and the speed reducing motor (71) are controlled by an external computer, and the working process is controlled by a program of the computer.